Synonyms of failing

1 Syllable

short, scant, gaff, guilt, shy, faint, vain, fault, flaw

2 Syllables

goof-ups, losing, feebler, weakness, poorly, drawback, scanty, goof-up, feeblest, scarcer, junker, frailties, lapse, lightweight, foible, decay, wanting, weakly, defect, strengthless, frailty, scantiest, unhealth, scarce, scarcest, scantier, skimpier, skimpy, feeble, faintness, infirm

3 Syllables

declining, unsuccess, defection, weaknesses, puniness, weakliness, shorthanded, defeated, failure, implosions, unthriving, spoilage, daintiness, gangrene, unwellness, omission, disownment, defections, inaptness, skimpiness, implosion, unsoundness, sickliness, faultiness, decline, anile, niggardly, defecting, deficient, shortcoming, putridness, spoilation, omissions, recreancy, elision, flatitious

4 Syllables

abortive, imperfection, putrefaction, putrescence, putridity, unsatisfying, unfulfilling, unprosperous, insolvency, infirmities, unsufficient, defalcation, imperfections, nonfeasance, unhealthiness, unavailing, underbelly, preterition, noninclusion, deficiencies, unsuccessful, disappointing, diseasedness, infirmity, insufficient, deficiency

5 Syllables

unsuccessfulness, incompleteness, tergiversation, invalidity, discommodity, inadvertency, degenerate, inadequacies, degenerated, defectiveness, inadequacy, inadequate, invalidities

6 Syllables

insubstantiality, unsubstantiality